2221101120212 has 12 divisors (see below), whose sum is σ = 4185921342036. Its totient is φ = 1025123593920.

The previous prime is 2221101120181. The next prime is 2221101120233. The reversal of 2221101120212 is 2120211011222.

It can be written as a sum of positive squares in 2 ways, for example, as 1008666696976 + 1212434423236 = 1004324^2 + 1101106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21356741489 + ... + 21356741592.

It is an arithmetic number, because the mean of its divisors is an integer number (348826778503).

Almost surely, 2^{2221101120212} is an apocalyptic number.

It is an amenable number.

2221101120212 is a deficient number, since it is larger than the sum of its proper divisors (1964820221824).

2221101120212 is a wasteful number, since it uses less digits than its factorization.

2221101120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42713483098 (or 42713483096 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221101120212 its reverse (2120211011222), we get a palindrome (4341312131434).

The spelling of 2221101120212 in words is "two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, two hundred twelve".